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tree-sitter: simplify editing using the new old_byte_size parameter

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Björn Linse
2019-08-05 19:37:17 +02:00
parent 06ee45b9b1
commit f86a2c33a2
1 changed files with 5 additions and 20 deletions
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25
runtime/lua/vim/treesitter.lua
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@@ -17,27 +17,12 @@ function Parser:parse()
return self.tree
end
local function on_lines(self, bufnr, _, start_row, oldstopline, stop_row)
local function on_lines(self, bufnr, _, start_row, old_stop_row, stop_row, old_byte_size)
local start_byte = a.nvim_buf_get_offset(bufnr,start_row)
-- a bit messy, should we expose edited but not reparsed tree?
-- are multiple edits safe in general?
local root = self._parser:tree():root()
-- TODO: add proper lookup function!
local inode = root:descendant_for_point_range(oldstopline+9000,0, oldstopline,0)
if inode == nil then
local stop_byte = a.nvim_buf_get_offset(bufnr,stop_row)
self._parser:edit(start_byte,stop_byte,stop_byte,
start_row,0,stop_row,0,stop_row,0)
else
local fakeoldstoprow, fakeoldstopcol, fakebyteoldstop = inode:start()
local fake_rows = fakeoldstoprow-oldstopline
local fakestop = stop_row+fake_rows
local fakebytestop = a.nvim_buf_get_offset(bufnr,fakestop)+fakeoldstopcol
self._parser:edit(start_byte, fakebyteoldstop, fakebytestop,
start_row, 0,
fakeoldstoprow, fakeoldstopcol,
fakestop, fakeoldstopcol)
end
local stop_byte = a.nvim_buf_get_offset(bufnr,stop_row)
local old_stop_byte = start_byte + old_byte_size
self._parser:edit(start_byte,old_stop_byte,stop_byte,
start_row,0,old_stop_row,0,stop_row,0)
self.valid = false
end